1 files changed, 8 insertions, 142 deletions

diff --git a/fs/afs/cache.c b/fs/afs/cache.c
index f62ff71d28c9..b1c31ec4523a 100644
--- a/fs/afs/cache.c
+++ b/fs/afs/cache.c
@@ -12,167 +12,39 @@
 #include <linux/sched.h>
 #include "internal.h"
 
-static uint16_t afs_cell_cache_get_key(const void *cookie_netfs_data,
-				       void *buffer, uint16_t buflen);
-static uint16_t afs_volume_cache_get_key(const void *cookie_netfs_data,
-					 void *buffer, uint16_t buflen);
-
-static uint16_t afs_vnode_cache_get_key(const void *cookie_netfs_data,
-					void *buffer, uint16_t buflen);
-static void afs_vnode_cache_get_attr(const void *cookie_netfs_data,
-				     uint64_t *size);
-static uint16_t afs_vnode_cache_get_aux(const void *cookie_netfs_data,
-					void *buffer, uint16_t buflen);
 static enum fscache_checkaux afs_vnode_cache_check_aux(void *cookie_netfs_data,
 						       const void *buffer,
-						       uint16_t buflen);
+						       uint16_t buflen,
+						       loff_t object_size);
 
 struct fscache_netfs afs_cache_netfs = {
 	.name			= "afs",
-	.version		= 1,
+	.version		= 2,
 };
 
 struct fscache_cookie_def afs_cell_cache_index_def = {
 	.name		= "AFS.cell",
 	.type		= FSCACHE_COOKIE_TYPE_INDEX,
-	.get_key	= afs_cell_cache_get_key,
 };
 
 struct fscache_cookie_def afs_volume_cache_index_def = {
 	.name		= "AFS.volume",
 	.type		= FSCACHE_COOKIE_TYPE_INDEX,
-	.get_key	= afs_volume_cache_get_key,
 };
 
 struct fscache_cookie_def afs_vnode_cache_index_def = {
-	.name			= "AFS.vnode",
-	.type			= FSCACHE_COOKIE_TYPE_DATAFILE,
-	.get_key		= afs_vnode_cache_get_key,
-	.get_attr		= afs_vnode_cache_get_attr,
-	.get_aux		= afs_vnode_cache_get_aux,
-	.check_aux		= afs_vnode_cache_check_aux,
+	.name		= "AFS.vnode",
+	.type		= FSCACHE_COOKIE_TYPE_DATAFILE,
+	.check_aux	= afs_vnode_cache_check_aux,
 };
 
 /*
- * set the key for the index entry
- */
-static uint16_t afs_cell_cache_get_key(const void *cookie_netfs_data,
-				       void *buffer, uint16_t bufmax)
-{
-	const struct afs_cell *cell = cookie_netfs_data;
-	uint16_t klen;
-
-	_enter("%p,%p,%u", cell, buffer, bufmax);
-
-	klen = strlen(cell->name);
-	if (klen > bufmax)
-		return 0;
-
-	memcpy(buffer, cell->name, klen);
-	return klen;
-}
-
-/*****************************************************************************/
-/*
- * set the key for the volume index entry
- */
-static uint16_t afs_volume_cache_get_key(const void *cookie_netfs_data,
-					 void *buffer, uint16_t bufmax)
-{
-	const struct afs_volume *volume = cookie_netfs_data;
-	struct {
-		u64 volid;
-	} __packed key;
-
-	_enter("{%u},%p,%u", volume->type, buffer, bufmax);
-
-	if (bufmax < sizeof(key))
-		return 0;
-
-	key.volid = volume->vid;
-	memcpy(buffer, &key, sizeof(key));
-	return sizeof(key);
-}
-
-/*****************************************************************************/
-/*
- * set the key for the index entry
- */
-static uint16_t afs_vnode_cache_get_key(const void *cookie_netfs_data,
-					void *buffer, uint16_t bufmax)
-{
-	const struct afs_vnode *vnode = cookie_netfs_data;
-	struct {
-		u32 vnode_id[3];
-	} __packed key;
-
-	_enter("{%x,%x,%llx},%p,%u",
-	       vnode->fid.vnode, vnode->fid.unique, vnode->status.data_version,
-	       buffer, bufmax);
-
-	/* Allow for a 96-bit key */
-	memset(&key, 0, sizeof(key));
-	key.vnode_id[0] = vnode->fid.vnode;
-	key.vnode_id[1] = 0;
-	key.vnode_id[2] = 0;
-
-	if (sizeof(key) > bufmax)
-		return 0;
-
-	memcpy(buffer, &key, sizeof(key));
-	return sizeof(key);
-}
-
-/*
- * provide updated file attributes
- */
-static void afs_vnode_cache_get_attr(const void *cookie_netfs_data,
-				     uint64_t *size)
-{
-	const struct afs_vnode *vnode = cookie_netfs_data;
-
-	_enter("{%x,%x,%llx},",
-	       vnode->fid.vnode, vnode->fid.unique,
-	       vnode->status.data_version);
-
-	*size = vnode->status.size;
-}
-
-struct afs_vnode_cache_aux {
-	u64 data_version;
-	u32 fid_unique;
-} __packed;
-
-/*
- * provide new auxiliary cache data
- */
-static uint16_t afs_vnode_cache_get_aux(const void *cookie_netfs_data,
-					void *buffer, uint16_t bufmax)
-{
-	const struct afs_vnode *vnode = cookie_netfs_data;
-	struct afs_vnode_cache_aux aux;
-
-	_enter("{%x,%x,%Lx},%p,%u",
-	       vnode->fid.vnode, vnode->fid.unique, vnode->status.data_version,
-	       buffer, bufmax);
-
-	memset(&aux, 0, sizeof(aux));
-	aux.data_version = vnode->status.data_version;
-	aux.fid_unique = vnode->fid.unique;
-
-	if (bufmax < sizeof(aux))
-		return 0;
-
-	memcpy(buffer, &aux, sizeof(aux));
-	return sizeof(aux);
-}
-
-/*
  * check that the auxiliary data indicates that the entry is still valid
  */
 static enum fscache_checkaux afs_vnode_cache_check_aux(void *cookie_netfs_data,
 						       const void *buffer,
-						       uint16_t buflen)
+						       uint16_t buflen,
+						       loff_t object_size)
 {
 	struct afs_vnode *vnode = cookie_netfs_data;
 	struct afs_vnode_cache_aux aux;
@@ -189,12 +61,6 @@ static enum fscache_checkaux afs_vnode_cache_check_aux(void *cookie_netfs_data,
 		return FSCACHE_CHECKAUX_OBSOLETE;
 	}
 
-	if (vnode->fid.unique != aux.fid_unique) {
-		_leave(" = OBSOLETE [uniq %x != %x]",
-		       aux.fid_unique, vnode->fid.unique);
-		return FSCACHE_CHECKAUX_OBSOLETE;
-	}
-
 	if (vnode->status.data_version != aux.data_version) {
 		_leave(" = OBSOLETE [vers %llx != %llx]",
 		       aux.data_version, vnode->status.data_version);